section .data
str: db "asm_print says hello world!",0xa,0  ;0xa是换行，0是\0结束符
str_len equ $-str 

section .text
extern c_print 
global _start
_start: 
    push str 
    call c_print
    add esp,4

    mov eax,1
    int 0x80
global asm_print
asm_print:
    push ebp
    mov ebp,esp
    mov eax,4
    mov ebx,1
    mov ecx,[ebp+8]
    mov edx,[ebp+12]
    int 0x80
    pop ebp
    ret
